import re
import json

address = '舟山市普陀区普陀山风景区内'

p = re.compile(r'[\u4e00-\u9fa5]{2,5}?(?:区|县)')
p1 = re.compile(r'[\u4e00-\u9fa5]{2,5}?(?:省|自治区|市|区|县)')
#areaname = p.findall(address)[0]
#print (areaname)
#areanames = p1.findall(areaname)
#print(areanames[len(areanames)-1])

a = u"黄山"
ss=json.dumps(a)
print (ss.replace('\\', ''))